Socket Releases Free Certified Patches for Nuxt Security Vulnerabilities

Nuxt has issued security updates for multiple vulnerabilities in its 3.x and 4.x versions, including a critical development-only vulnerability in @nuxt/devtools. These updates, Nuxt 4.5.1 and 3.21.10, address issues such as server-side remote code execution, authorization bypass, denial of service, and cross-user payload disclosure. The critical vulnerability in @nuxt/devtools affects development environments when the dev server is exposed, and patches have been provided by Socket for the most severe issues, allowing teams to remediate without waiting for full dependency upgrades. Organizations using Nuxt are advised to upgrade to these new versions and refresh lockfiles, apply Certified Patches where necessary, and take caution with development server exposure to untrusted networks. Additionally, they should review server-island components and ensure appMiddleware properly protects routes with uppercase route-rule keys, while also purging CDN and edge caches for authenticated pages using cache, swr, or isr route rules.

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